# fr-legal-kit

**Category:** 💰 Finance & Fintech  
**Repository:** https://github.com/CartonPliant/fr-legal-kit  
**GitHub Stars:** 0  
**Views:** 0  
**Installs:** 0  
**Upvotes:** 0  
**Directory Page:** https://allmcps.com/mcp/fr-legal-kit

## Description
French legal helpers for agents: e-invoice, L441-10, SIRET/IBAN. $0.01 USDC x402

## Claude Desktop Quick Installation
Install path detected from listing signals. Uses `npx` (confidence: high):

```json
"mcpServers": {
  "fr-legal-kit": {
    "command": "npx",
    "args": ["-y","agentcash"]
  }
}
```

## Documentation & README

# fr-legal-kit

x402 API for AI agents. Offline French legal helpers. **$0.01 USDC** on Base per call. No INSEE, no scrape, no PDP.

Live: https://fr-legal-kit.monnet-yanis1.workers.dev

MCP registry: [`io.github.CartonPliant/fr-legal-kit`](https://registry.modelcontextprotocol.io/v0.1/servers?search=fr-legal-kit)  
x402scan: https://www.x402scan.com/server/edab7902-3c37-4463-97ef-fa115c225b8d  
AgentCash: `npx agentcash add https://fr-legal-kit.monnet-yanis1.workers.dev`

## Routes

| POST | What |
|---|---|
| `/v1/einvoice-who` | Who must **receive** e-invoices since 1 Sep 2026 vs **emit** (GE/ETI 2026, PME/micro 2027) |
| `/v1/late-penalties` | L441-10 C. com. interest (BCE MRO +10 pts, H2-2026 default **2.40%**) + 40 € (D.441-5) |
| `/v1/due-date` | Invoice date + net days; next open day skipping L.3133-1 holidays 2026–2027 |
| `/v1/holidays` | Metropolitan public holidays (11 in 2026, Easter Monday **6 Apr**) |
| `/v1/payment-term-max` | Agreed-term ceiling: 60 days after invoice, or 45 days EOM if stipulated (L441-10 I) |
| `/v1/tva-rate` | Indicative VAT 20 / 10 / 5.5 / 2.1 |
| `/v1/mention-fields` | Checklist of L441-9 / 293 B / L441-10 mention field ids |
| `/v1/vat-key` | FR intra-community VAT id from SIREN (CGI 286 ter formula, not VIES) |
| `/v1/penalty-text` | Collable L441-10 + D.441-5 mention strings (12,40 % + 40 €) |
| `/v1/franchise-293b` | 2026 293 B thresholds (37 500 / 85 000 €) + statutory mention |
| `/v1/dunning-steps` | Relance calendar J+1 / J+8 / J+15 after due date (usage; L441-10 sans rappel) |
| `/v1/open-days` | Inclusive open-day count between two dates (skip weekend + L.3133-1) |
| `/v1/invoice-numbering` | L441-9 chronological sequence: next number + no-gap rules |
| `/v1/amount-words` | French amount in words (12,40 → douze euros et quarante centimes) |
| `/v1/alsace-holidays` | Alsace-Moselle extras (Good Friday + St Stephen) + combined calendar |
| `/v1/due-date-eom` | 45 jours fin de mois (L441-10 I): month-end+45 and +45-then-EOM |
| `/v1/ht-ttc` | HT ↔ TTC at CGI rates 20 / 10 / 5.5 / 2.1 / 0 |
| `/v1/days-late` | Calendar days from due_date to as_of (input for late-penalties) |
| `/v1/siren-from-siret` | SIRET → SIREN + NIC + checksums + VAT key (no INSEE) |
| `/v1/quote-validity` | Devis validity calendar (default 30 days, usage not L441-9) |
| `/v1/ape-naf` | APE/NAF rev.2 format (4 digits + letter, e.g. 62.01Z). No INSEE |
| `/v1/postcode-fr` | 5-digit postcode → department (2A/2B, 97x, Alsace-Moselle flag) |
| `/v1/legal-form` | Extra invoice mentions by form (EI/micro vs SAS/SARL capital+RCS) |
| `/v1/iban-fr` | FR IBAN 27 chars: bank / branch / account / RIB key + ISO checksum |
| `/v1/credit-note` | Avoir: next AV- number + CGI 289 mention of original invoice (L441-9, no reuse) |
| `/v1/phone-fr` | FR phone format (ARCEP): 10 digits / +33 → E.164 + invoice mention. No lookup |
| `/v1/capital-social` | Share-capital mention (SAS au capital de 1 000,00 €). EI/micro: none |
| `/v1/rcs-mention` | RCS + greffe city + SIREN (`RCS Pau 404 833 048`). Format, not a Kbis |
| `/v1/invoice-currency` | EUR legal tender; foreign ccy OK, VAT in euros. No FX |
| `/v1/escompte` | L441-10 early-payment discount mention, or « Pas d'escompte… » |
| `/v1/acompte` | Down-payment invoice: AC- number, 30% default, remaining TTC (CGI 289) |
| `/v1/date-fr` | Invoice date JJ/MM/AAAA + weekday (L441-9 emission date format) |
| `/v1/payment-means` | Means of payment mention (virement / chèque / CB / …) L441-9 |
| `/v1/interest-start` | L441-10: interest starts the calendar day after the due date |
| `/v1/siege-social` | Siège social mention: street + CP + city (L441-9, not a Kbis) |
| `/v1/net-a-payer` | Invoice footer HT/TVA/TTC + « Net à payer : 1 200,00 € » |
| `/v1/doc-title` | CGI 289 title: Facture / Avoir / acompte / note d'honoraires / Devis |
| `/v1/autoliquidation` | Reverse-charge VAT mention (CGI 283 / BTP 283-2 nonies / import) |
| `/v1/eori` | FR EORI = FR + SIREN (format only, no customs lookup) |
| `/v1/duplicata` | Copy of an invoice: same number, stamped DUPLICATA (not a new invoice) |
| `/v1/rm-mention` | Artisan RM + city + SIREN (`RM Pau 404 833 048`). Format, not a D1 |
| `/v1/buyer` | L441-9 client identification: name + optional SIRET/SIREN + city |
| `/v1/unit` | Line unit of measure (heure / jour / forfait / …) + optional qty |
| `/v1/cgv` | L441-6 CGV mention (« Nos conditions générales de vente s'appliquent. ») |
| `/v1/reserve-propriete` | Retention-of-title clause (L.624-16) until full payment. Goods only |
| `/v1/garantie-legale` | Consumer legal warranty 2 years from delivery (C. conso L.217-3) |
| `/v1/mediateur` | Consumer mediator mention (C. conso L.612-1). B2C only |
| `/v1/delivery` | Date of supply vs invoice date (CGI 289 / 242 nonies A) |
| `/v1/line` | L441-9 invoice line: designation + qty/unit + unit price HT |
| `/v1/page` | Multi-page invoice footer: Page X/Y |
| `/v1/retractation` | 14-day consumer withdrawal (L.221-18). B2C distance/off-premises |
| `/v1/conservation` | Keep the invoice 10 years (L123-22) / 6 years tax (LPF L102 B) |
| `/v1/prescription` | Payment action: 5 years B2B (L110-4) or 2 years B2C (L.218-2) |
| `/v1/garantie-commerciale` | Commercial warranty (L.217-21), distinct from the 2-year legal one |
| `/v1/export` | VAT exemption: CGI 262 extra-EU or 262 ter I intra-EU |
| `/v1/proforma` | Pro forma header — not an invoice (CGI 289) |
| `/v1/jours-francs` | Jours francs (CPC 642): start day out, weekend/holiday rolls |
| `/v1/clause-penale` | Contractual penalty clause (C. civ. 1231-5), not L441-10 |
| `/v1/periode` | Billing period from/to for continuous services (CGI 289) |
| `/v1/autofacturation` | Self-billing stamp (CGI 289), optional seller name |
| `/v1/rgpd` | Invoice data footer: RGPD 6.1.b/c + 10-year keep |
| `/v1/langue` | French language mention (Toubon B2C / tax-control B2B) |
| `/v1/commande` | Purchase-order number (+ optional date) on the invoice |
| `/v1/debours` | Disbursements out of the VAT base (CGI 267) |
| `/v1/arrhes` | Arrhes (C. civ. 1590), distinct from acompte — seller returns double |
| `/v1/prorata` | Calendar prorata of a monthly HT over from/to |
| `/v1/check-siret` | SIRET/SIREN checksum only |
| `/v1/check-iban` | IBAN ISO 13616 checksum only |
| `POST /mcp` | MCP JSON-RPC: `tools/list` free, `tools/call` $0.01 |

See `/llms.txt` on the host. Isolated SKU — not Devis d’abord, not Fiche Pleine, not Ibis.

Related paid API: [fr-invoice-mentions](https://fr-invoice-mentions.monnet-yanis1.workers.dev) (mention blocks, $0.02).